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pls answer ASAP. Which statement describes a question that can guide the design of a scientific investigation?

A. It asks about the preferred outcome of the investigation.

B. It asks about how the observations will be organized.

C. It asks about a cause-and-effect relationship between two variables.

D. It asks about whether a controlled variable is necessary.​

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dorseybreanna2020

Answer:

It asks about a cause-and-effect relationship between two variables (C)

Explanation:

Scientific investigations are aimed as developing a hypothesis and proving the validity or not of the hypothesis developed. In order for these hypotheses to be tested, experiments must be done, and the experiments are designed based on the identification of a cause-and-effect relationship existing between two variables to be tested.

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